Siegrid Yu, MD

Dermatologic surgeon

Dr. Siegrid Yu is a dermatologic surgeon at the UCSF Dermatologic Surgery and Laser Center. She specializes in Mohs micrographic surgery and surgical reconstruction for skin cancer. Her expertise also includes laser surgery; rejuvenation of aging skin including Botox, soft tissue fillers, and leg vein treatment; and cosmetic treatment of Asian skin. She is board certified by the American Board of Dermatology and the American Board of Internal Medicine.

She received a medical degree at the University of Washington and completed an internship and residency in internal medicine at Stanford University Medical Center, where she served as chief resident of internal medicine. She completed a dermatology residency at UCSF where she was chief resident, and a Mohs surgery and procedural dermatology fellowship at UCSF. Yu's research focuses on Merkel cell carcinoma, skin cancer in immunosuppressed patients and other skin cancer. Her research awards include the Dermatology Foundation Clinical Career Development in Dermatologic Surgery. She is a member of the American Society of Dermatologic Surgery (ASDS) and received an ASDS Cutting Edge Research Grant. She also is a member of the American Academy of Dermatology, American College of Mohs Surgery and American Medical Association. She is an associate professor of clinical dermatology and director of the Procedural Dermatology Fellowship.


Dermatologic Surgery and Laser Center
1701 Divisadero St.
San Francisco, CA 94115
Phone: (415) 353–7878
Fax: (415) 353–7838

Hours: Monday to Friday, 8 a.m. – 5 p.m.

Melanoma and Skin Cancer Program
1600 Divisadero St., Third Floor
San Francisco, CA 94115
Phone: (415) 353-9900
Fax: (415) 885-3802

Hours: Monday to Friday, 8 a.m. - 5 p.m.

Conditions & Treatments

Board Certification

Dermatology, American Board of Dermatology

Academic Title

Associate Professor

More about Siegrid Yu

Additional Languages



University of Washington 1998


Stanford University Medical Center, Internal Medicine 2002
UCSF Medical Center, Dermatology 2005


UCSF Medical Center, Mohs micrographic surgery and procedural dermatology 2006

Selected Research and Publications

  1. Xu MJ, Wu S, Daud AI, Yu SS, Yom SS. In-field and abscopal response after short-course radiation therapy in patients with metastatic Merkel cell carcinoma progressing on PD-1 checkpoint blockade: a case series. J Immunother Cancer. 2018 May 30; 6(1):43.
  2. Tello TL, Coggshall K, Yom SS, Yu SS. Merkel cell carcinoma: An update and review: Current and future therapy. J Am Acad Dermatol. 2018 Mar; 78(3):445-454.
  3. Coggshall K, Tello TL, North JP, Yu SS. Merkel cell carcinoma: An update and review: Pathogenesis, diagnosis, and staging. J Am Acad Dermatol. 2018 Mar; 78(3):433-442.

Publications are derived from MEDLINE/PubMed and provided by UCSF Profiles, a service of the Clinical & Translational Science Institute (CTSI) at UCSF. Researchers can make corrections and additions to their publications by logging on to UCSF Profiles.